Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 4.2 J 336 J 2268 J 80 J 4.2 J 336 J 2268 J 80 J ANSWER DOWNLOAD EXAMIANS APP
Physics One light year is equal to 8 trillion miles 6 trillion miles 2 trillion miles 9 trillion miles 8 trillion miles 6 trillion miles 2 trillion miles 9 trillion miles ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 40 80 4000 2000 40 80 4000 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Weber Henry Henry/meter Weber/meter Weber Henry Henry/meter Weber/meter ANSWER DOWNLOAD EXAMIANS APP
Physics Lux is the SI unit of luminous intensity luminous efficiency luminous flux intensity of illumination luminous intensity luminous efficiency luminous flux intensity of illumination ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP